Transaction in Own Shares

BP p.l.c. - Transaction in Own Shares

BP p.l.c. - 5 October 2010

BP p.l.c. announces that it transferred 8,673 ordinary shares on 4 October 2010 to participants in its employee share schemes at prices between 441.0 pence and 455.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,855,562,748 ordinary shares in Treasury, and has 18,791,553,518 ordinary shares in issue (excluding Treasury shares).

Enquiries: Fergus MacLeod, BP p.l.c. Tel: 020 7496 4632